Given that f (x) = 3x – 5 and the domain of f is {2,4,6}, find the range of f(x). a) {11,17,20} b) {-6,-4,-2} c) {2,4,6} d) {1,7,13}

Ur environment is very sensitive to the amount of ozone in the upper atmosphere. the level of ozone normally found is 4.04.0 parts/million (ppm). a researcher believes that the current ozone level is not at a normal level. the mean of 2525 samples is 4.44.4 ppm with a standard deviation of 0.80.8. assume the population is normally distributed. a level of significance of 0.020.02 will be used. make the decision to reject or fail to reject the null hypothesis. answer tables